FIELD: oil-and-gas industry.
SUBSTANCE: in compliance with one of versions, this device comprises well with packers dividing the well into two or more spaces communicated with productive formations, downhole pump and valve system to be connected to pump inlet in one or several formations. Shank is arranged under packers and connected with tubing while opening for communication with the pump nearby interpacker space is located at maximum distance from packets but not lower than the rood of formation communicated therewith.
EFFECT: higher efficiency.
3 cl, 3 dwg
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